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751Estuarial migration of Atlantic salmon in the river Dee (North Wales)
752Newham STW and Ladock Valley STW impact assessment survey 1996 : final draft report - December 1996 : COR/96/012
753Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region
754Proposed Environmental Quality Standards for Styrene in water
755Atmospheric inputs of pollutants to surface waters : interim report on trace organics in atmospheric deposition (015/4/T)
756The effect of the voluntary initiative on water quality
757The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns
758The NRA in business : annual review and summary accounts 1993-94
759An Assessment of the Feasibility of Using DGT Procedures to Measure Trace Metals and Radionuclides in Rivers
760Cyanobacteria (blue-green algae) in the south west region 1989
761Draft list of potential target contaminants of fish tissue : interim report (397/4/ST)
762Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards
763Toxic blue-green algae : a report by the National Rivers Authority
764Large Woody Debris In British Headwater Rivers: Summary Report
765Investigation of salinity in the river Thurne catchment of North East Norfolk
766Compliance assessment for EC freshwater fish directive 1990
767Water quality investigations in the Newlyn river catchment
768Bathing water quality survey 1992
769Bathing water quality survey 1993
770River Teign catchment river water quality classification 1990
771River Teign catchment river water quality classification 1991
772Report on monitoring of environmental quality in the Severn Estuary
773Water quality survey of London Docks
774Development of water quality monitoring instrumentation
775Bacteriological survey : The Wash